Download and Install Siemens PLC Software Micro WIN V4.0 SP9_Original

System Requirements

STEP 7-Micro/WIN is a Windows-based software application that supports both the 16-bit

Windows 3.1 environment (STEP 7-Micro/WIN 16) and the 32-bit Windows 95 and

Windows NT environments (STEP 7-Micro/WIN 32). In order to use STEP 7-Micro/WIN, the

following equipment is recommended

a personal computer (PC) with an 80586 or greater processor and

16 Mbytes of RAM, or a Siemens programming device (such as a PG 740); minimum

computer requirement: 80486 processor with 8 Mbytes

One of the following sets of equipment

A PC/PPI cable connected to your communications port (PC COM1 or COM2)

A communications processor (CP) card and multipoint interface (MPI) cable

A multipoint interface (MPI) card (A communications cable comes with the MPI card.)

VGA monitor, or any monitor supported by Microsoft Windows

At least 50 Mbytes of free hard disk space

Microsoft Windows 3.1, Windows for Workgroups 3.11, Windows 95, or Windows NT 4.0

Download the Micro Win V4.0 SP9 from

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The S7-200 series is a line of micro-programmable logic controllers (Micro PLCs) that can
control a variety of automation applications. Figure 1-1 shows an S7-200 Micro PLC. The
compact design, expandability, low cost, and powerful instruction set of the S7-200 Micro
PLC make a perfect solution for controlling small applications. In addition, the wide variety of
CPU sizes and voltages provides you with the flexibility you need to solve your automation
problems

S7-200 Micro PLC that includes the following modules

CPU 214 DC/DC/DC

Three EM 221 Digital Input 8 x DC 24 V

expansion modules Two EM 222 Digital Output 8 x Relay expansion modules

The CPU in this example provides sufficient 5 VDC current for the expansion modules however, it requires an additional power supply to provide the 24 VDC power requirement. The I/O requires 448 mA of 24 VDC power, but the CPU provides only 280 mA.

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